Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of PPG-es#Sense
PPG-fr#Sense
PPG-en#Sense
PPG-it#Sense
Gruppo contratti pubblici-it#Sense
Groupe Marchés Publics-fr#Sense
PPG-pt#Sense
PPG-de#Sense
PPG-nl#Sense
PPG-da#Sense
Public Procurement Group-en#Sense
Gruppe Öffentliches Auftragswesen-de#Sense